Omar M. Albrak, 21, of Chicago; specialist, Army. Albrak was killed May 9 in a motor vehicle accident at Camp Victory in Baghdad. He was an Individual Ready Reserve soldier assigned to the Headquarters, Multi-National Forces in Iraq.

Jacob D. Barton, 20, of Lenox, Mo.; specialist, Army. Barton was among five troops killed Monday when a U.S. soldier opened fire at a combat stress-control center at Camp Liberty in Baghdad. Barton was assigned to the 277th Engineer Company, 420th Engineer Brigade in Waco, Texas.

Christian E. Bueno-Galdos, 25, of Paterson, N.J.; staff sergeant, Army. Bueno-Galdos was among five troops killed Monday when a U.S. soldier opened fire at a combat stress-control center at Camp Liberty in Baghdad. Bueno-Galdos was assigned to the 3rd Battalion, 66th Armor Regiment, 172nd Infantry Brigade in Grafenwoehr, Germany.

Justin P. Hartford, 21, of Elmira, N.Y.; private, Army. Hartford died of noncombat-related injuries May 8 at Joint Base Balad, Iraq, north of Baghdad. He was assigned to the 699th Maintenance Company, Corps Support Battalion, 916th Support Brigade at Ft. Irwin, Calif.

Matthew P. Houseal, 54, of Amarillo, Texas; major, Army Reserve. Houseal was among five troops killed Monday when a U.S. soldier opened fire at a combat stress-control center at Camp Liberty in Baghdad. Houseal was assigned to the 55th Medical Company in Indianapolis.

Steven Hutchison, 60, of Scottsdale, Ariz.; major, Army. Hutchison died May 10 in Basra, Iraq, south of Baghdad, of injuries suffered when a roadside bomb exploded near his vehicle in Al Farr. He was the oldest member of the U.S. military to die of combat-related wounds in Iraq or Afghanistan. Hutchison had served two tours of duty in Vietnam and voluntarily rejoined the Army under its retiree recall program. He was assigned to the 2nd Battalion, 34th Armor Regiment, 1st Brigade Combat Team, 1st Infantry Division at Ft. Riley, Kan.

Ryan C. McGhee, 21, of Fredericksburg, Va.; corporal, Army. McGhee was killed Wednesday when his unit was attacked with small-arms fire in central Iraq. He was assigned to the 3rd Battalion, 75th Ranger Regiment at Ft. Benning, Ga.

Lukasz D. Saczek, 23, of Lake in the Hills, Ill.; sergeant, Army National Guard. Saczek died of noncombat-related injuries May 10 in Afghanistan's Nangarhar province, near the Pakistani border. He was assigned to the 1st Battalion, 178th Infantry Regiment in Woodstock, Ill.

Charles K. Springle, 52, of Wilmington, N.C.; commander, Navy. Springle was among five troops killed Monday when a U.S. soldier opened fire at a combat stress-control center at Camp Liberty in Baghdad. Springle was director of the Community Counseling Center at Camp Lejeune, N.C.

Michael E. Yates Jr., 19, of Federalsburg, Md.; private first class, Army. Yates was among five troops killed Monday when a U.S. soldier opened fire at a combat stress-control center at Camp Liberty in Baghdad. Yates was assigned to the 3rd Battalion, 66th Armor Regiment, 172nd Infantry Brigade in Grafenwoehr, Germany.

Sources: Department of Defense, Times staff reports and the Associated Press